/ Dictionary / Index X X-wave: Meaning and Definition of Find definitions for: X-wave Pronunciation: (eks'wāv"), [key] — n. Radio. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Xuzhou XX Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language